Samsung Electronics Co.

Eastman Kodak Co. is enduring tough times these days, but perhaps a change in leadership will help jump-start the company’s fortunes. The photography giant announced yesterday that it has promoted its general counsel, Laura Quatela, to president, effective Jan. 1, 2012.

These days, patent disputes among technology companies are common, particularly among those that create handheld devices. But smartphone and tablet makers are increasingly trying to conquer their rivals in another way: by accusing competitors of violating antitrust laws.